Watson-Marlow SP40 - Manual (Page 29)

GENERAL MAINTENANCE
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7.4 Changing oil in gearbox
For information regarding the changing of oil in the
gearbox and the type of oil to be used we refer to the
documentation of the manufacturer of this item.
7.5 Replacing pump hose
The pump hose can be replaced without removing the
pump cover. The pump must be in pump mode.
7.5.1 Remove the lubricant
1. Place a tray under the drain plug.
2. Remove the drain plug (A) and collect the
lubricant in the tray.
3. Install the drain plug.
7.5.2 Remove the pump hose
1. Shut off the valves on both suction and
discharge side.
2. Disconnect the piping of the suction and
discharge port.
3. Loosen the hose clamps (A) on the suction and
discharge port.
4. Remove the flanges (C) of the suction and
discharge port. If you remove the flange the
insert is also pulled from the hose.
A A
A
C
B
A
C
B
A
C
B
A
C
B